Question

If 5 men take 9days to plough 18 acres of land then find how long it takes 25 men for to plough 30 acres

Answer 1

Answer:

Answer:

Area No. of men No. of days

100 x 10

20 10 8

More men more area ∴ direct variation

More men less no. of days ∴ inverse variation

100:20::x:10

8:10

100×8×10=x×20×10

⇒x=

200

8000

=40

THANKS

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Answer 2

if 5 months 9 days to 18 acres of land and wind how long it takes 25 minutes for answer is 40